DL 4634 then DL 4173 at Detroit
Indianapolis → Detroit → Saginaw
Timetable, Detroit time
07:55DL 4634 from Indianapolis at the gate
21:15DL 4173 to Saginaw leaves the gate
13 h 20 apart on the timetable
DL 4173 leaves 13 h 20 after DL 4634 arrives on the timetable: more than half a day, so not a connection we count.